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{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE OverloadedStrings #-}
module Main (main) where
import Control.Applicative
import Data.ByteString (ByteString)
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as Lazy
import Data.List as L
import Data.Ord
import Data.Maybe
import Data.Word
import Data.Serialize as S
import Data.Text as T
import Network
import Network.URI
import Test.Framework (Test, defaultMain)
import Test.Framework.Providers.QuickCheck2 (testProperty)
import Test.QuickCheck
import Data.BEncode as BE
import Data.Bitfield as BF
import Data.Torrent
import Network.BitTorrent as BT
import Network.BitTorrent.Exchange.Protocol
import Network.BitTorrent.Tracker
import Network.BitTorrent.Peer
-- import Debug.Trace
data T a = T
instance Arbitrary URI where
arbitrary = pure $ fromJust
$ parseURI "http://exsample.com:80/123365_asd"
instance Arbitrary Text where
arbitrary = T.pack <$> arbitrary
{-----------------------------------------------------------------------
Bitfield
-----------------------------------------------------------------------}
-- other properties are tested in IntervalSet
prop_completenessRange :: Bitfield -> Bool
prop_completenessRange bf = 0 <= c && c <= 1
where
c = completeness bf
prop_minMax :: Bitfield -> Bool
prop_minMax bf
| BF.null bf = True
| otherwise = BF.findMin bf <= BF.findMax bf
prop_rarestInRange :: [Bitfield] -> Bool
prop_rarestInRange xs = case rarest xs of
Just r -> 0 <= r
&& r < totalCount (maximumBy (comparing totalCount) xs)
Nothing -> True
{- this one should give pretty good coverage -}
prop_differenceDeMorgan :: Bitfield -> Bitfield -> Bitfield -> Bool
prop_differenceDeMorgan a b c =
(a `BF.difference` (b `BF.intersection` c))
== ((a `BF.difference` b) `BF.union` (a `BF.difference` c))
&&
(a `BF.difference` (b `BF.union` c))
== ((a `BF.difference` b) `BF.intersection` (a `BF.difference` c))
{-----------------------------------------------------------------------
Torrent
-----------------------------------------------------------------------}
prop_properBEncode :: Show a => BEncodable a => Eq a => T a -> a -> Bool
prop_properBEncode _ expected = actual == Right expected
where
actual = decoded $ Lazy.toStrict $ encoded expected
-- TODO tests for torrent: encoding <-> decoding
instance Arbitrary FileInfo where
arbitrary = FileInfo <$> arbitrary <*> arbitrary <*> arbitrary
instance Arbitrary ContentInfo where
arbitrary = oneof
[ SingleFile <$> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
, MultiFile <$> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary
]
instance Arbitrary Torrent where
arbitrary = torrent <$> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> arbitrary <*> arbitrary
<*> arbitrary <*> pure Nothing <*> arbitrary
{-----------------------------------------------------------------------
Handshake
-----------------------------------------------------------------------}
instance Arbitrary PeerID where
arbitrary = azureusStyle <$> pure defaultClientID
<*> arbitrary
<*> arbitrary
instance Arbitrary InfoHash where
arbitrary = (hash . B.pack) <$> arbitrary
instance Arbitrary Handshake where
arbitrary = defaultHandshake <$> arbitrary <*> arbitrary
prop_cerealEncoding :: (Serialize a, Eq a) => T a -> [a] -> Bool
prop_cerealEncoding _ msgs = S.decode (S.encode msgs) == Right msgs
{-----------------------------------------------------------------------
Tracker/Scrape
-----------------------------------------------------------------------}
-- | Note that in 6 esample we intensionally do not agree with
-- specification, because taking in account '/' in query parameter
-- seems to be meaningless. (And thats because other clients do not
-- chunk uri by parts) Moreover in practice there should be no
-- difference. (I think so)
--
test_scrape_url :: [Test]
test_scrape_url = L.zipWith mkTest [1 :: Int ..] (check `L.map` tests)
where
check (iu, ou) = (parseURI iu >>= (`scrapeURL` [])
>>= return . show) == ou
tests =
[ ( "http://example.com/announce"
, Just "http://example.com/scrape")
, ( "http://example.com/x/announce"
, Just "http://example.com/x/scrape")
, ( "http://example.com/announce.php"
, Just "http://example.com/scrape.php")
, ( "http://example.com/a" , Nothing)
, ( "http://example.com/announce?x2%0644"
, Just "http://example.com/scrape?x2%0644")
, ( "http://example.com/announce?x=2/4"
, Just "http://example.com/scrape?x=2/4")
-- , ("http://example.com/announce?x=2/4" , Nothing) -- by specs
, ("http://example.com/x%064announce" , Nothing)
]
mkTest i = testProperty ("scrape test #" ++ show i)
{-----------------------------------------------------------------------
P2P/message
-----------------------------------------------------------------------}
positive :: Gen Int
positive = fromIntegral <$> (arbitrary :: Gen Word32)
instance Arbitrary ByteString where
arbitrary = B.pack <$> arbitrary
instance Arbitrary BlockIx where
arbitrary = BlockIx <$> positive <*> positive <*> positive
instance Arbitrary Block where
arbitrary = Block <$> positive <*> positive <*> arbitrary
instance Arbitrary Bitfield where
arbitrary = mkBitfield <$> (succ . min 1000 <$> positive)
<*> arbitrary
instance Arbitrary PortNumber where
arbitrary = fromIntegral <$> (arbitrary :: Gen Word16)
instance Arbitrary Message where
arbitrary = oneof
[ pure KeepAlive
, pure Choke
, pure Unchoke
, pure Interested
, pure NotInterested
, Have <$> positive
, Bitfield <$> arbitrary
, Request <$> arbitrary
, Piece <$> arbitrary
, Cancel <$> arbitrary
, Port <$> arbitrary
]
-- todo add all messages
prop_messageEncoding :: Message -> Bool
prop_messageEncoding msg @ (Bitfield bf)
= case S.decode (S.encode msg) of
Right (Bitfield bf') -> bf == adjustSize (totalCount bf) bf'
_ -> False
prop_messageEncoding msg
= S.decode (S.encode msg) == Right msg
{-----------------------------------------------------------------------
Main
-----------------------------------------------------------------------}
main :: IO ()
main = defaultMain $
[ -- bitfield module
testProperty "completeness range" prop_completenessRange
, testProperty "rarest in range" prop_rarestInRange
, testProperty "min less that max" prop_minMax
, testProperty "difference de morgan" prop_differenceDeMorgan
-- torrent module
, testProperty "file info encoding" $
prop_properBEncode (T :: T FileInfo)
, testProperty "content info encoding" $
prop_properBEncode (T :: T ContentInfo)
, testProperty "torrent encoding" $
prop_properBEncode (T :: T Torrent)
-- handshake module
, testProperty "handshake encoding" $
prop_cerealEncoding (T :: T Handshake)
, testProperty "message encoding" prop_messageEncoding
] ++ test_scrape_url
|
